// Module for interfacing with system #include "module.h" #include "lauxlib.h" #include "ldebug.h" #include "ldo.h" #include "lfunc.h" #include "lmem.h" #include "lobject.h" #include "lstate.h" #include "legc.h" #include "lopcodes.h" #include "lstring.h" #include "lundump.h" #include "platform.h" #include "lrodefs.h" #include "c_types.h" #include "c_string.h" #include "driver/uart.h" #include "user_interface.h" #include "flash_api.h" #include "vfs.h" #include "user_version.h" #include "rom.h" #include "task/task.h" #define CPU80MHZ 80 #define CPU160MHZ 160 // Lua: restart() static int node_restart( lua_State* L ) { system_restart(); return 0; } // Lua: dsleep( us, option ) static int node_deepsleep( lua_State* L ) { uint32 us; uint8 option; //us = luaL_checkinteger( L, 1 ); // Set deleep option, skip if nil if ( lua_isnumber(L, 2) ) { option = lua_tointeger(L, 2); if ( option < 0 || option > 4) return luaL_error( L, "wrong arg range" ); else system_deep_sleep_set_option( option ); } bool instant = false; if (lua_isnumber(L, 3)) instant = lua_tointeger(L, 3); // Set deleep time, skip if nil if ( lua_isnumber(L, 1) ) { us = luaL_checknumber(L, 1); // if ( us <= 0 ) if ( us < 0 ) return luaL_error( L, "wrong arg range" ); else { if (instant) system_deep_sleep_instant(us); else system_deep_sleep( us ); } } return 0; } #ifdef PMSLEEP_ENABLE #include "pmSleep.h" int node_sleep_resume_cb_ref= LUA_NOREF; void node_sleep_resume_cb(void) { PMSLEEP_DBG("START"); pmSleep_execute_lua_cb(&node_sleep_resume_cb_ref); PMSLEEP_DBG("END"); } // Lua: node.sleep(table) static int node_sleep( lua_State* L ) { pmSleep_INIT_CFG(cfg); cfg.sleep_mode=LIGHT_SLEEP_T; if(lua_istable(L, 1)){ pmSleep_parse_table_lua(L, 1, &cfg, NULL, &node_sleep_resume_cb_ref); } else{ return luaL_argerror(L, 1, "must be table"); } cfg.resume_cb_ptr = &node_sleep_resume_cb; pmSleep_suspend(&cfg); return 0; } #endif //PMSLEEP_ENABLE static int node_info( lua_State* L ) { lua_pushinteger(L, NODE_VERSION_MAJOR); lua_pushinteger(L, NODE_VERSION_MINOR); lua_pushinteger(L, NODE_VERSION_REVISION); lua_pushinteger(L, system_get_chip_id()); // chip id lua_pushinteger(L, spi_flash_get_id()); // flash id lua_pushinteger(L, flash_rom_get_size_byte() / 1024); // flash size in KB lua_pushinteger(L, flash_rom_get_mode()); lua_pushinteger(L, flash_rom_get_speed()); return 8; } // Lua: chipid() static int node_chipid( lua_State* L ) { uint32_t id = system_get_chip_id(); lua_pushinteger(L, id); return 1; } // deprecated, moved to adc module // Lua: readvdd33() // static int node_readvdd33( lua_State* L ) // { // uint32_t vdd33 = readvdd33(); // lua_pushinteger(L, vdd33); // return 1; // } // Lua: flashid() static int node_flashid( lua_State* L ) { uint32_t id = spi_flash_get_id(); lua_pushinteger( L, id ); return 1; } // Lua: flashsize() static int node_flashsize( lua_State* L ) { if (lua_type(L, 1) == LUA_TNUMBER) { flash_rom_set_size_byte(luaL_checkinteger(L, 1)); } uint32_t sz = flash_rom_get_size_byte(); lua_pushinteger( L, sz ); return 1; } // Lua: heap() static int node_heap( lua_State* L ) { uint32_t sz = system_get_free_heap_size(); lua_pushinteger(L, sz); return 1; } extern lua_Load gLoad; extern bool user_process_input(bool force); // Lua: input("string") static int node_input( lua_State* L ) { size_t l = 0; const char *s = luaL_checklstring(L, 1, &l); if (s != NULL && l > 0 && l < LUA_MAXINPUT - 1) { lua_Load *load = &gLoad; if (load->line_position == 0) { c_memcpy(load->line, s, l); load->line[l + 1] = '\0'; load->line_position = c_strlen(load->line) + 1; load->done = 1; NODE_DBG("Get command:\n"); NODE_DBG(load->line); // buggy here NODE_DBG("\nResult(if any):\n"); user_process_input(true); } } return 0; } static int output_redir_ref = LUA_NOREF; static int serial_debug = 1; void output_redirect(const char *str) { lua_State *L = lua_getstate(); // if(c_strlen(str)>=TX_BUFF_SIZE){ // NODE_ERR("output too long.\n"); // return; // } if (output_redir_ref == LUA_NOREF) { uart0_sendStr(str); return; } if (serial_debug != 0) { uart0_sendStr(str); } lua_rawgeti(L, LUA_REGISTRYINDEX, output_redir_ref); lua_pushstring(L, str); lua_call(L, 1, 0); // this call back function should never user output. } // Lua: output(function(c), debug) static int node_output( lua_State* L ) { // luaL_checkanyfunction(L, 1); if (lua_type(L, 1) == LUA_TFUNCTION || lua_type(L, 1) == LUA_TLIGHTFUNCTION) { lua_pushvalue(L, 1); // copy argument (func) to the top of stack if (output_redir_ref != LUA_NOREF) luaL_unref(L, LUA_REGISTRYINDEX, output_redir_ref); output_redir_ref = luaL_ref(L, LUA_REGISTRYINDEX); } else { // unref the key press function if (output_redir_ref != LUA_NOREF) luaL_unref(L, LUA_REGISTRYINDEX, output_redir_ref); output_redir_ref = LUA_NOREF; serial_debug = 1; return 0; } if ( lua_isnumber(L, 2) ) { serial_debug = lua_tointeger(L, 2); if (serial_debug != 0) serial_debug = 1; } else { serial_debug = 1; // default to 1 } return 0; } static int writer(lua_State* L, const void* p, size_t size, void* u) { UNUSED(L); int file_fd = *( (int *)u ); if (!file_fd) return 1; NODE_DBG("get fd:%d,size:%d\n", file_fd, size); if (size != 0 && (size != vfs_write(file_fd, (const char *)p, size)) ) return 1; NODE_DBG("write fd:%d,size:%d\n", file_fd, size); return 0; } #define toproto(L,i) (clvalue(L->top+(i))->l.p) // Lua: compile(filename) -- compile lua file into lua bytecode, and save to .lc static int node_compile( lua_State* L ) { Proto* f; int file_fd = 0; size_t len; const char *fname = luaL_checklstring( L, 1, &len ); const char *basename = vfs_basename( fname ); luaL_argcheck(L, c_strlen(basename) <= FS_OBJ_NAME_LEN && c_strlen(fname) == len, 1, "filename invalid"); char *output = luaM_malloc( L, len+1 ); c_strcpy(output, fname); // check here that filename end with ".lua". if (len < 4 || (c_strcmp( output + len - 4, ".lua") != 0) ) { luaM_free( L, output ); return luaL_error(L, "not a .lua file"); } output[c_strlen(output) - 2] = 'c'; output[c_strlen(output) - 1] = '\0'; NODE_DBG(output); NODE_DBG("\n"); if (luaL_loadfsfile(L, fname) != 0) { luaM_free( L, output ); return luaL_error(L, lua_tostring(L, -1)); } f = toproto(L, -1); int stripping = 1; /* strip debug information? */ file_fd = vfs_open(output, "w+"); if (!file_fd) { luaM_free( L, output ); return luaL_error(L, "cannot open/write to file"); } lua_lock(L); int result = luaU_dump(L, f, writer, &file_fd, stripping); lua_unlock(L); if (vfs_flush(file_fd) != VFS_RES_OK) { // overwrite Lua error, like writer() does in case of a file io error result = 1; } vfs_close(file_fd); file_fd = 0; luaM_free( L, output ); if (result == LUA_ERR_CC_INTOVERFLOW) { return luaL_error(L, "value too big or small for target integer type"); } if (result == LUA_ERR_CC_NOTINTEGER) { return luaL_error(L, "target lua_Number is integral but fractional value found"); } if (result == 1) { // result status generated by writer() or fs_flush() fail return luaL_error(L, "writing to file failed"); } return 0; } // Task callback handler for node.task.post() static task_handle_t do_node_task_handle; static void do_node_task (task_param_t task_fn_ref, uint8_t prio) { lua_State* L = lua_getstate(); lua_rawgeti(L, LUA_REGISTRYINDEX, (int)task_fn_ref); luaL_unref(L, LUA_REGISTRYINDEX, (int)task_fn_ref); lua_pushinteger(L, prio); lua_call(L, 1, 0); } // Lua: node.task.post([priority],task_cb) -- schedule a task for execution next static int node_task_post( lua_State* L ) { int n = 1, Ltype = lua_type(L, 1); unsigned priority = TASK_PRIORITY_MEDIUM; if (Ltype == LUA_TNUMBER) { priority = (unsigned) luaL_checkint(L, 1); luaL_argcheck(L, priority <= TASK_PRIORITY_HIGH, 1, "invalid priority"); Ltype = lua_type(L, ++n); } luaL_argcheck(L, Ltype == LUA_TFUNCTION || Ltype == LUA_TLIGHTFUNCTION, n, "invalid function"); lua_pushvalue(L, n); int task_fn_ref = luaL_ref(L, LUA_REGISTRYINDEX); if (!do_node_task_handle) // bind the task handle to do_node_task on 1st call do_node_task_handle = task_get_id(do_node_task); if(!task_post(priority, do_node_task_handle, (task_param_t)task_fn_ref)) { luaL_unref(L, LUA_REGISTRYINDEX, task_fn_ref); luaL_error(L, "Task queue overflow. Task not posted"); } return 0; } // Lua: setcpufreq(mhz) // mhz is either CPU80MHZ od CPU160MHZ static int node_setcpufreq(lua_State* L) { // http://www.esp8266.com/viewtopic.php?f=21&t=1369 uint32_t new_freq = luaL_checkinteger(L, 1); if (new_freq == CPU160MHZ){ REG_SET_BIT(0x3ff00014, BIT(0)); ets_update_cpu_frequency(CPU160MHZ); } else { REG_CLR_BIT(0x3ff00014, BIT(0)); ets_update_cpu_frequency(CPU80MHZ); } new_freq = ets_get_cpu_frequency(); lua_pushinteger(L, new_freq); return 1; } // Lua: code, reason [, exccause, epc1, epc2, epc3, excvaddr, depc ] = bootreason() static int node_bootreason (lua_State *L) { const struct rst_info *ri = system_get_rst_info (); uint32_t arr[8] = { rtc_get_reset_reason(), ri->reason, ri->exccause, ri->epc1, ri->epc2, ri->epc3, ri->excvaddr, ri->depc }; int i, n = ((ri->reason != REASON_EXCEPTION_RST) ? 2 : 8); for (i = 0; i < n; ++i) lua_pushinteger (L, arr[i]); return n; } // Lua: restore() static int node_restore (lua_State *L) { system_restore(); return 0; } #ifdef LUA_OPTIMIZE_DEBUG /* node.stripdebug([level[, function]]).  * level: 1 don't discard debug * 2 discard Local and Upvalue debug info * 3 discard Local, Upvalue and lineno debug info. * function: Function to be stripped as per setfenv except 0 not permitted. * If no arguments then the current default setting is returned. * If function is omitted, this is the default setting for future compiles * The function returns an estimated integer count of the bytes stripped. */ static int node_stripdebug (lua_State *L) { int level; if (L->top == L->base) { lua_pushlightuserdata(L, &luaG_stripdebug ); lua_gettable(L, LUA_REGISTRYINDEX); if (lua_isnil(L, -1)) { lua_pop(L, 1); lua_pushinteger(L, LUA_OPTIMIZE_DEBUG); } return 1; } level = luaL_checkint(L, 1); if ((level <= 0) || (level > 3)) luaL_argerror(L, 1, "must in range 1-3"); if (L->top == L->base + 1) { /* Store the default level in the registry if no function parameter */ lua_pushlightuserdata(L, &luaG_stripdebug); lua_pushinteger(L, level); lua_settable(L, LUA_REGISTRYINDEX); lua_settop(L,0); return 0; } if (level == 1) { lua_settop(L,0); lua_pushinteger(L, 0); return 1; } if (!lua_isfunction(L, 2)) { int scope = luaL_checkint(L, 2); if (scope > 0) { /* if the function parameter is a +ve integer then climb to find function */ lua_Debug ar; lua_pop(L, 1); /* pop level as getinfo will replace it by the function */ if (lua_getstack(L, scope, &ar)) { lua_getinfo(L, "f", &ar); } } } if(!lua_isfunction(L, 2) || lua_iscfunction(L, -1)) luaL_argerror(L, 2, "must be a Lua Function"); // lua_lock(L); Proto *f = clvalue(L->base + 1)->l.p; // lua_unlock(L); lua_settop(L,0); lua_pushinteger(L, luaG_stripdebug(L, f, level, 1)); return 1; } #endif // Lua: node.egc.setmode( mode, [param]) // where the mode is one of the node.egc constants NOT_ACTIVE , ON_ALLOC_FAILURE, // ON_MEM_LIMIT, ALWAYS. In the case of ON_MEM_LIMIT an integer parameter is reqired // See legc.h and lecg.c. static int node_egc_setmode(lua_State* L) { unsigned mode = luaL_checkinteger(L, 1); unsigned limit = luaL_optinteger (L, 2, 0); luaL_argcheck(L, mode <= (EGC_ON_ALLOC_FAILURE | EGC_ON_MEM_LIMIT | EGC_ALWAYS), 1, "invalid mode"); luaL_argcheck(L, !(mode & EGC_ON_MEM_LIMIT) || limit>0, 1, "limit must be non-zero"); legc_set_mode( L, mode, limit ); return 0; } // // Lua: osprint(true/false) // Allows you to turn on the native Espressif SDK printing static int node_osprint( lua_State* L ) { if (lua_toboolean(L, 1)) { system_set_os_print(1); } else { system_set_os_print(0); } return 0; } int node_random_range(int l, int u) { // The range is the number of different values to return unsigned int range = u + 1 - l; // If this is very large then use simpler code if (range >= 0x7fffffff) { unsigned int v; // This cannot loop more than half the time while ((v = os_random()) >= range) { } // Now v is in the range [0, range) return v + l; } // Easy case, with only one value, we know the result if (range == 1) { return l; } // Another easy case -- uniform 32-bit if (range == 0) { return os_random(); } // Now we have to figure out what a large multiple of range is // that just fits into 32 bits. // The limit will be less than 1 << 32 by some amount (not much) uint32_t limit = ((0x80000000 / ((range + 1) >> 1)) - 1) * range; uint32_t v; while ((v = os_random()) >= limit) { } // Now v is uniformly distributed in [0, limit) and limit is a multiple of range return (v % range) + l; } static int node_random (lua_State *L) { int u; int l; switch (lua_gettop(L)) { /* check number of arguments */ case 0: { /* no arguments */ #ifdef LUA_NUMBER_INTEGRAL lua_pushnumber(L, 0); /* Number between 0 and 1 - always 0 with ints */ #else lua_pushnumber(L, (lua_Number)os_random() / (lua_Number)(1LL << 32)); #endif return 1; } case 1: { /* only upper limit */ l = 1; u = luaL_checkint(L, 1); break; } case 2: { /* lower and upper limits */ l = luaL_checkint(L, 1); u = luaL_checkint(L, 2); break; } default: return luaL_error(L, "wrong number of arguments"); } luaL_argcheck(L, l<=u, 2, "interval is empty"); lua_pushnumber(L, node_random_range(l, u)); /* int between `l' and `u' */ return 1; } // Module function map static const LUA_REG_TYPE node_egc_map[] = { { LSTRKEY( "setmode" ), LFUNCVAL( node_egc_setmode ) }, { LSTRKEY( "NOT_ACTIVE" ), LNUMVAL( EGC_NOT_ACTIVE ) }, { LSTRKEY( "ON_ALLOC_FAILURE" ), LNUMVAL( EGC_ON_ALLOC_FAILURE ) }, { LSTRKEY( "ON_MEM_LIMIT" ), LNUMVAL( EGC_ON_MEM_LIMIT ) }, { LSTRKEY( "ALWAYS" ), LNUMVAL( EGC_ALWAYS ) }, { LNILKEY, LNILVAL } }; static const LUA_REG_TYPE node_task_map[] = { { LSTRKEY( "post" ), LFUNCVAL( node_task_post ) }, { LSTRKEY( "LOW_PRIORITY" ), LNUMVAL( TASK_PRIORITY_LOW ) }, { LSTRKEY( "MEDIUM_PRIORITY" ), LNUMVAL( TASK_PRIORITY_MEDIUM ) }, { LSTRKEY( "HIGH_PRIORITY" ), LNUMVAL( TASK_PRIORITY_HIGH ) }, { LNILKEY, LNILVAL } }; static const LUA_REG_TYPE node_map[] = { { LSTRKEY( "restart" ), LFUNCVAL( node_restart ) }, { LSTRKEY( "dsleep" ), LFUNCVAL( node_deepsleep ) }, #ifdef PMSLEEP_ENABLE { LSTRKEY( "sleep" ), LFUNCVAL( node_sleep ) }, PMSLEEP_INT_MAP, #endif { LSTRKEY( "info" ), LFUNCVAL( node_info ) }, { LSTRKEY( "chipid" ), LFUNCVAL( node_chipid ) }, { LSTRKEY( "flashid" ), LFUNCVAL( node_flashid ) }, { LSTRKEY( "flashsize" ), LFUNCVAL( node_flashsize) }, { LSTRKEY( "heap" ), LFUNCVAL( node_heap ) }, { LSTRKEY( "input" ), LFUNCVAL( node_input ) }, { LSTRKEY( "output" ), LFUNCVAL( node_output ) }, // Moved to adc module, use adc.readvdd33() // { LSTRKEY( "readvdd33" ), LFUNCVAL( node_readvdd33) }, { LSTRKEY( "compile" ), LFUNCVAL( node_compile) }, { LSTRKEY( "CPU80MHZ" ), LNUMVAL( CPU80MHZ ) }, { LSTRKEY( "CPU160MHZ" ), LNUMVAL( CPU160MHZ ) }, { LSTRKEY( "setcpufreq" ), LFUNCVAL( node_setcpufreq) }, { LSTRKEY( "bootreason" ), LFUNCVAL( node_bootreason) }, { LSTRKEY( "restore" ), LFUNCVAL( node_restore) }, { LSTRKEY( "random" ), LFUNCVAL( node_random) }, #ifdef LUA_OPTIMIZE_DEBUG { LSTRKEY( "stripdebug" ), LFUNCVAL( node_stripdebug ) }, #endif { LSTRKEY( "egc" ), LROVAL( node_egc_map ) }, { LSTRKEY( "task" ), LROVAL( node_task_map ) }, #ifdef DEVELOPMENT_TOOLS { LSTRKEY( "osprint" ), LFUNCVAL( node_osprint ) }, #endif // Combined to dsleep(us, option) // { LSTRKEY( "dsleepsetoption" ), LFUNCVAL( node_deepsleep_setoption) }, { LNILKEY, LNILVAL } }; NODEMCU_MODULE(NODE, "node", node_map, NULL);